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authorJonathan Corbet <corbet@lwn.net>2021-10-04 16:44:16 -0600
committerJonathan Corbet <corbet@lwn.net>2021-10-04 16:44:16 -0600
commitb718f9d919d16fb7b97a890f74d34593d9cecd20 (patch)
treeed38d58283ae36e0478bac2e0d244e06dbcc2f1c /sound/core/rawmidi.c
parent250a0a5ba9d2cfbdb7c77b421ff1e03d630bea46 (diff)
parent9e1ff307c779ce1f0f810c7ecce3d95bbae40896 (diff)
Merge tag 'v5.15-rc4' into docs-next
This is needed to get a docs fix that entered via the DRM tree; testers have requested it so that PDF builds in docs-next work again.
Diffstat (limited to 'sound/core/rawmidi.c')
-rw-r--r--sound/core/rawmidi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 6c0a4a67ad2e..6f30231bdb88 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -873,12 +873,21 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
return -EINVAL;
}
}
+ case SNDRV_RAWMIDI_IOCTL_USER_PVERSION:
+ if (get_user(rfile->user_pversion, (unsigned int __user *)arg))
+ return -EFAULT;
+ return 0;
+
case SNDRV_RAWMIDI_IOCTL_PARAMS:
{
struct snd_rawmidi_params params;
if (copy_from_user(&params, argp, sizeof(struct snd_rawmidi_params)))
return -EFAULT;
+ if (rfile->user_pversion < SNDRV_PROTOCOL_VERSION(2, 0, 2)) {
+ params.mode = 0;
+ memset(params.reserved, 0, sizeof(params.reserved));
+ }
switch (params.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
if (rfile->output == NULL)